Q: Is 406,021 a Prime Number?

A: No, 406,021 is not a prime number.

Why is 406,021 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 406021 can be evenly divided by 1 7 11 77 5,273 36,911 58,003 and 406,021, with no remainder.

Since 406,021 cannot be divided by just 1 and 406,021, it is not a prime number.

Number	406,019	406,020	406,022	406,023
Prime?	no	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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